Home / 8,352.82-12,530.31-2,803.78

Finding the Fourth Proportional to 8,352.82, 12,530.31 and 2,803.78

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Solution

The fourth proportional to 8,352.82, 12,530.31 and 2,803.78 is: 4,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.82 : 12,530.31 = 2,803.78 : x
  2. Step 2: Convert to fraction form
    8,352.82/12,530.31 = 2,803.78/x
  3. Step 3: Cross multiply
    8,352.82x = 12,530.31 × 2,803.78
  4. Step 4: Simplify right side
    8,352.82x = 35,132,232.57
  5. Step 5: Solve for x
    x = 35,132,232.57/8,352.82
  6. Step 6: Final answer
    x = 4,206.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.